Q. 135.0( 6 Votes )

Insert two geometric means between 9 and 243.

Answer :

To find: Two geometric Mean

Given: The numbers are 9 and 243

Formula used: (i) r , where n is the number of

geometric mean

Let G1 and G2 be the three geometric mean

Then r




r = 3

G1 = ar = 9×3 = 27

G2 = ar2= 9×32 = 9×9 = 81

Two geometric mean between 9 and 243 are 27 and 81.

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